K-T Industries 4.5" X 7/8" X 80g T29 Ao Flap Disc (4.5" X 7/8" X 80g)
Use where you would use a resin fiber disc or grinding wheel. Each of the individual flap edges wear down very gradually to give extremely long life. Although the initial cost is higher, flap discs are much more economical than resin fiber discs because of the long use life.
